Exhibit 99.1 Diodes Incorporated Reports First Quarter 2026 Financial Results 1Q Revenue Increased over 20% and EPS Up over 100% YoY Plano, Texas – May 7, 2026 -- Diodes Incorporated (Diodes) (Nasdaq: DIOD) today reported its financial results for the first quarter ended March 31, 2026. First Quarter Highlights Commenting on the results, Gary Yu, President and CEO of Diodes, stated, "Our first quarter revenue grew 22% year-over-year and an above-seasonal 3.5% sequentially, highlighting the solid demand reco ...